< html:link /> html tag

< html:link /> html tag

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The struts link tag is a render of html <a> anchor element.This tag is used to generate an HTML hyperlink.

 
If a hyperlink to the specified URL than the URL for this hyperlink is calculated based on which of the following attributes...

  • forward :- This is used the name of a global ActionForward to be looked up and will receive control of the forwarded request.
  • action :- This is used the name of a Action to be looked up.The name of the Action should be a defined Action name from the struts-config.xml file..
  • href :- This is used to create a link to another document.The URL to which this hyperlink will transfer control if activated.
  • page :- This is used to a module-relative URI and specifies an application-relative path of the image source which is used by input tag.

The struts link tag have following attributes:- 

  • accesskey :-This keyboard character used to move focus immediately to this element.
  • anchor :-This is used to to be added to the generated hyperlink.
  • bundle :-The servlet context attributes key for the MessageResources instance to use. If not specified, defaults to the application resources configured for our action servlet. 
  • dir :-The direction for weak/neutral text for this element.
  • indexId :- the indexed parameter can be specified a jsp scripting element.
  • indexed :-If true then indexed parameter with name from indexId attribute will be added to the query string. 
  • linkName :- The value specified here will render a "name" element in the generated anchor tag.

The Following are many other attributes which we can use :

  • name 
  • module 
  • lang
  • onblur
  • onclick
  • ondblclick
  • onfocus
  • onkeydown
  • onkeypress
  • onkeyup
  • onmousedown
  • onmousemove
  • onmouseout
  • onmouseover
  • onmouseup
  • page
  • paramId
  • paramName
  • paramProperty
  • paramScope
  • property
  • scope
  • style
  • styleClass  
  • styleId  
  • tabindex
  • target
  • title
  • titleKey


Directory Structure of LinkTagExample in Struts 1.3 Using MyEclipse IDE




index.jsp

<%@taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<%@taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<html>
<head>
<title><bean:message key="label.title"/></title>
</head>
<body>
<h3><bean:message key="label.header"/></h3>
<h4><html:link action="/linkAction">Struts Link Tag Example</html:link></h4>
</body>
</html>

web.xml

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >
 
<web-app>
  <display-name>Maven Struts Examples</display-name> 
  <servlet>
    <servlet-name>action</servlet-name>
    <servlet-class>
        org.apache.struts.action.ActionServlet
    </servlet-class>
    <init-param>
        <param-name>config</param-name>
        <param-value>
         /WEB-INF/struts-config.xml
        </param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet> 
  <servlet-mapping>
       <servlet-name>action</servlet-name>
       <url-pattern>*.do</url-pattern>
  </servlet-mapping> 
</web-app>

struts-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts-config PUBLIC 
"-//Apache Software Foundation//DTD Struts Configuration 1.3//EN" 
"http://struts.apache.org/dtds/struts-config_1_3.dtd">
<struts-config>
  <form-beans/>
  <global-exceptions />
  <global-forwards />
  <action-mappings >
    	<action path="/linkAction" type="org.r4r.struts.LinkAction">	
         <forward name="success" path="/success.jsp"/>
		</action>
  </action-mappings>
  <message-resources parameter="org.r4r.struts.ApplicationResources" />
</struts-config>

LinkAction.java

package org.r4r.struts;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public class LinkAction extends Action {
	public ActionForward execute(ActionMapping mapping,ActionForm form,
		HttpServletRequest request,HttpServletResponse response) throws Exception{
		return mapping.findForward("success");
	}
}

ApplicationResources.properties

# Resources for parameter 'org.r4r.struts.ApplicationResources'
# Project Struts1.3_LinkTagExample
#label message
label.title=Struts html:link tag example
label.header=Struts html:link tag example

success.jsp

<%@taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<%@taglib uri="http://struts.apache.org/tags-html" prefix="html"%>
<html>
<head>
<title><bean:message key="label.title"/></title>
</head>
<body>
<h3><bean:message key="label.header"/></h3>
<h4>This output is generated by link tag example in struts 1.3</h4>
</body>
</html>

Output




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